Dillan vs Reilly

Baby Name Comparison — 2026

Dillan

Boy #2,887 Most Popular 2 Syllables

"great tide, sea flow"

Origin: Welsh

Welsh English Irish American

✓ All Clear

Boy #2,800 Most Popular 2 Syllables

"courageous, valiant"

Origin: Irish Gaelic

Irish Irish-American Scottish Australian

✓ All Clear

Dillan Rank #2,887

Reilly Rank #2,800

Reilly is more popular, ranked #2800 vs #2887 for Dillan.

Is Dillan or Reilly more popular?

Reilly is more popular, ranked #2800 compared to Dillan at #2887 in the United States.

What do Dillan and Reilly mean?

Dillan means "great tide, sea flow" (Welsh origin). Reilly means "courageous, valiant" (Irish Gaelic origin).

Are Dillan and Reilly boy or girl names?

Dillan is primarily a boy name. Reilly is primarily a boy name.